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Glen Muller
DieHard
Victoria
Soarer - 'Z31 V8

Posts: 943
Reg: 12-2007

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Saturday, February 15, 2014 - 03:44 pm, by:  Glen Muller (Doom_and_gloom) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

So folks, I'm currently getting my old 31 back on the road. I've been driving it a little lately, on a 28 day permit from Vicroads, and I'm a little concerned about the ride. The car has been laid up for over three years, so it'll come as no surprise if there are bits and pieces that are completely shagged.

1. The steering wheel sometimes shudders heaps
2. Sometimes, when you go over a harsh bump, the right tyre touches the cover inside the wheel well. I'm fairly confident in the airbag.
3. The whole front end generally shakes and shudders as you're driving along.

Since I'm confident about the airbags, and I don't think either of them are about to give up the will to live, I'm thinking that some of the suspension and steering bushes could be toast. It feels like there's a jolt before the dampers and shock absorbers can do their job, which suggests to me that the little rubber bushes holding everything together probably don't have the same elasticity they once had.

Question is... which ones should I investigate changing? A visual inspection is useless. I'd get in there and change the lot of them, but that's gonna cost some serious money that I don't really have right now.

Any suggestions?
Peter Nitschke
Junk Filterer
South Australia
UZZ30 UZZ31

Posts: 12620
Reg: 11-2004

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Sunday, February 16, 2014 - 02:05 am, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Front lower control arm bushes are the first to cause trouble.
Glen Muller
DieHard
Victoria
Soarer - 'Z31 V8

Posts: 944
Reg: 12-2007

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Sunday, February 16, 2014 - 09:43 am, by:  Glen Muller (Doom_and_gloom) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

I'm also thinking that the driver's side airbag could be shagged. Considering getting some coilovers, then saving up my pennies for brand new airbags all round. I intend to club reg my car when it hits 25 years, so I would really like to keep it fairly original.

I'll definitely check the control arm bushes out though! Ta.
Tom Richards
Goo Roo
nsw
V8

Posts: 1796
Reg: 08-2005

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Sunday, February 16, 2014 - 11:18 am, by:  Tom Richards (Tomr) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

check the 2 bushes on the steering rack. when they are stuffed the car wanders/drifts.
Noel Howlett
Tinkerer
victoria
soarer v8 base model

Posts: 16
Reg: 04-2013

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Saturday, March 01, 2014 - 10:58 pm, by:  Noel Howlett (Growl) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Try putting some other tyres on and see what happens.
Glen Muller
DieHard
Victoria
Soarer - 'Z31 V8

Posts: 958
Reg: 12-2007

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Wednesday, March 05, 2014 - 05:43 pm, by:  Glen Muller (Doom_and_gloom) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

OK - airbag shagged. Swapped all four out for some Bilsteins from a JZA80 and most of the woes have disappeared.

I'd say most of the bushes could do with replacement, but for now the ride has improved vastly!
Allan Langford
Goo Roo
Vic
UZZ31

Posts: 1150
Reg: 05-2010

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Wednesday, March 05, 2014 - 08:25 pm, by:  Allan Langford (Allan) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Take it too a good suspension place (not pedders) and get an inspection, I'd say look at getting new lower control arms for the front, inner and outer rack ends, rack bushes, upper front and rear arm bushes (rear ones are painful) also check wheel bearings.

after your wallet and sphincter recover from that the car should be much better!

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